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\begin{tabular}{lccc}
\multicolumn{4}{c}{By Group} \\ \hline
 & (1) & (2) & (3) \\
VARIABLES & Markup (bps) & Markup (bps) & Markup (bps) \\ \hline
 &  &  &  \\
Maturity Category = 6 & 2.56 & 2.95 & 1.80 \\
 & (2.44) & (3.80) & (3.86) \\
Maturity Category = 9 & -3.56 &  & -9.57** \\
 & (4.30) &  & (4.21) \\
Maturity Category = 12 & -1.34 & 3.36 & 1.48 \\
 & (3.54) & (5.30) & (5.35) \\
Maturity Category = 18 & -1.78 & -13.54 & 46.16*** \\
 & (6.54) & (9.61) & (17.55) \\
Maturity Category = 36 & -24.42*** & -40.12*** & -25.56*** \\
 & (6.16) & (14.23) & (8.14) \\
Maturity Category = 60 & -34.62*** & -29.18** & -46.63*** \\
 & (6.72) & (14.13) & (9.52) \\
Maturity Category = 120 & -65.17*** & -39.71*** & -82.26*** \\
 & (8.16) & (13.29) & (10.76) \\
Maturity Category = 180 & -84.87*** & -68.44** & -98.41*** \\
 & (12.87) & (28.42) & (14.40) \\
Maturity Category = 360 & -86.18*** & -14.76 & -136.10*** \\
 & (15.68) & (25.78) & (19.42) \\
Issuance (\% Monthly GDP) & 0.21 & 4.50 & 2.26 \\
 & (1.54) & (4.84) & (5.35) \\
c.totalot\_ngdp\#c.y2mat & 1.82*** & 1.07*** & 1.75*** \\
 & (0.27) & (0.41) & (0.48) \\
Year\_IssDummy &  & -6.79 & -4.29 \\
 &  & (4.59) & (5.20) \\
Constant & 1.09 & 3.41 & 3.47 \\
 & (2.16) & (3.61) & (2.90) \\
 &  &  &  \\
Observations & 2,015 & 715 & 1,134 \\
 R-squared & 0.17 & 0.15 & 0.21 \\ \hline
\multicolumn{4}{c}{ Robust standard errors in parentheses} \\
\multicolumn{4}{c}{ *** p$<$0.01, ** p$<$0.05, * p$<$0.1} \\
\end{tabular}
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